-#include "private.h"
-#include "unistd.h"
+/* Copyright (c) 2008-2012 Da SimGrid Team. All rights reserved. */
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_liveness, mc,
- "Logging specific to algorithms for liveness properties verification");
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
-xbt_fifo_t reached_pairs;
-xbt_fifo_t visited_pairs;
-xbt_dynar_t successors = NULL;
+#include "mc_private.h"
+#include <unistd.h>
+#include <sys/wait.h>
-//mc_snapshot_t snapshot;
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_liveness, mc,
+ "Logging specific to algorithms for liveness properties verification");
-int snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2){
+xbt_dynar_t reached_pairs;
+xbt_dynar_t successors;
- //XBT_DEBUG("Compare snapshot");
+int create_dump(int pair)
+{
+ // Try to enable core dumps
+ struct rlimit core_limit;
+ core_limit.rlim_cur = RLIM_INFINITY;
+ core_limit.rlim_max = RLIM_INFINITY;
+
+ if(setrlimit(RLIMIT_CORE, &core_limit) < 0)
+ fprintf(stderr, "setrlimit: %s\nWarning: core dumps may be truncated or non-existant\n", strerror(errno));
- if(s1->num_reg != s2->num_reg){
- XBT_DEBUG("Different num_reg (s1 = %d, s2 = %d)", s1->num_reg, s2->num_reg);
- return 1;
+ int status;
+ switch(fork()){
+ case 0:
+ // We are the child process -- run the actual program
+ abort();
+ break;
+
+ case -1:
+ // An error occurred, shouldn't happen
+ perror("fork");
+ return -1;
+
+ default:
+ // We are the parent process -- wait for the child process to exit
+ if(wait(&status) < 0)
+ perror("wait");
+ if(WIFSIGNALED(status) && WCOREDUMP(status)){
+ char *core_name = malloc(20);
+ sprintf(core_name,"core_%d", pair);
+ rename("core", core_name);
+ free(core_name);
+ }
}
- //XBT_DEBUG("Num reg : %d", s1->num_reg);
+ return 0;
+}
- int i;
- int errors = 0;
+int reached(xbt_state_t st){
- for(i=0 ; i< s1->num_reg ; i++){
+ raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
- if(s1->regions[i]->type != s2->regions[i]->type){
- //XBT_DEBUG("Different type of region");
- return 1;
- }
+ MC_SET_RAW_MEM;
- switch(s1->regions[i]->type){
- case 0:
- //XBT_DEBUG("Region : heap");
- if(s1->regions[i]->size != s2->regions[i]->size){
- //XBT_DEBUG("Different size of heap (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size);
- return 1;
- }
- if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
- //XBT_DEBUG("Different start addr of heap (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
- return 1;
- }
- if(mmalloc_compare_heap(s1->regions[i]->start_addr, s2->regions[i]->start_addr)){
- //XBT_DEBUG("Different heap (mmalloc_compare)");
- errors++;
- }
- break;
- case 1 :
- //XBT_DEBUG("Region : libsimgrid");
- if(s1->regions[i]->size != s2->regions[i]->size){
- //XBT_DEBUG("Different size of libsimgrid (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size);
- return 1;
- }
- if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
- //XBT_DEBUG("Different start addr of libsimgrid (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
- return 1;
- }
- if(memcmp(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
- //XBT_DEBUG("Different memcmp for data in libsimgrid");
- errors++;
- }
- break;
- case 2:
- //XBT_DEBUG("Region : program");
- if(s1->regions[i]->size != s2->regions[i]->size){
- //XBT_DEBUG("Different size of program (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size);
- return 1;
- }
- if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
- //XBT_DEBUG("Different start addr of program (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
- return 1;
- }
- if(memcmp(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
- //XBT_DEBUG("Different memcmp for data in program");
- errors++;
- }
- break;
- case 3:
- //XBT_DEBUG("Region : stack");
- if(s1->regions[i]->size != s2->regions[i]->size){
- //XBT_DEBUG("Different size of stack (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size);
- return 1;
- }
- if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
- //XBT_DEBUG("Different start addr of stack (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
- return 1;
- }
- if(memcmp(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
- //XBT_DEBUG("Different memcmp for data in stack");
- errors++;
- }
- break;
- }
+ mc_pair_reached_t new_pair = NULL;
+ new_pair = xbt_new0(s_mc_pair_reached_t, 1);
+ new_pair->nb = xbt_dynar_length(reached_pairs) + 1;
+ new_pair->automaton_state = st;
+ new_pair->prop_ato = xbt_dynar_new(sizeof(int), NULL);
+ new_pair->system_state = xbt_new0(s_mc_snapshot_t, 1);
+ MC_take_snapshot_liveness(new_pair->system_state);
+
+ /* Get values of propositional symbols */
+ int res;
+ int_f_void_t f;
+ unsigned int cursor = 0;
+ xbt_propositional_symbol_t ps = NULL;
+ xbt_dynar_foreach(_mc_property_automaton->propositional_symbols, cursor, ps){
+ f = (int_f_void_t)ps->function;
+ res = (*f)();
+ xbt_dynar_push_as(new_pair->prop_ato, int, res);
}
-
- return (errors>0);
-}
-
-int reached(xbt_automaton_t a, xbt_state_t st, char *prgm){
-
+ MC_UNSET_RAW_MEM;
+
+ if(xbt_dynar_is_empty(reached_pairs) || !compare){
- if(xbt_fifo_size(reached_pairs) == 0){
+ MC_SET_RAW_MEM;
+ /* New pair reached */
+ xbt_dynar_push(reached_pairs, &new_pair);
+ MC_UNSET_RAW_MEM;
+
+ create_dump(xbt_dynar_length(reached_pairs));
return 0;
}else{
-
- xbt_dynar_t prop_ato = xbt_dynar_new(sizeof(int), NULL);
-
- /* Get values of propositional symbols */
- unsigned int cursor = 0;
- xbt_propositional_symbol_t ps = NULL;
- xbt_dynar_foreach(a->propositional_symbols, cursor, ps){
- int (*f)() = ps->function;
- int res = (*f)();
- xbt_dynar_push_as(prop_ato, int, res);
- }
MC_SET_RAW_MEM;
- mc_snapshot_t sn = xbt_new0(s_mc_snapshot_t, 1);
- MC_take_snapshot_liveness(sn, prgm);
- MC_UNSET_RAW_MEM;
-
- int i=0;
- xbt_fifo_item_t item = xbt_fifo_get_first_item(reached_pairs);
+
+ cursor = 0;
mc_pair_reached_t pair_test = NULL;
-
- while(i < xbt_fifo_size(reached_pairs)){
-
- pair_test = (mc_pair_reached_t) xbt_fifo_get_item_content(item);
-
+
+ xbt_dynar_foreach(reached_pairs, cursor, pair_test){
+ XBT_INFO("Pair reached #%d", pair_test->nb);
if(automaton_state_compare(pair_test->automaton_state, st) == 0){
- if(propositional_symbols_compare_value(pair_test->prop_ato, prop_ato) == 0){
- if(snapshot_compare(sn, pair_test->system_state) == 0){
- MC_SET_RAW_MEM;
- MC_free_snapshot(sn);
- MC_UNSET_RAW_MEM;
- return 1;
- }
- }
+ if(propositional_symbols_compare_value(pair_test->prop_ato, new_pair->prop_ato) == 0){
+ if(snapshot_compare(new_pair->system_state, pair_test->system_state) == 0){
+
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+ else
+ MC_UNSET_RAW_MEM;
+
+ return 1;
+ }
+ }else{
+ XBT_INFO("Different values of propositional symbols");
+ }
+ }else{
+ XBT_INFO("Different automaton state");
}
-
- item = xbt_fifo_get_next_item(item);
-
- i++;
-
}
- MC_SET_RAW_MEM;
- MC_free_snapshot(sn);
+ create_dump(xbt_dynar_length(reached_pairs));
+
+ /* New pair reached */
+ xbt_dynar_push(reached_pairs, &new_pair);
+
MC_UNSET_RAW_MEM;
+
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+ else
+ MC_UNSET_RAW_MEM;
+
+ compare = 0;
+
return 0;
}
}
-void set_pair_reached(xbt_automaton_t a, xbt_state_t st, char *prgm){
+void set_pair_reached(xbt_state_t st){
+
+ raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
MC_SET_RAW_MEM;
-
+
mc_pair_reached_t pair = NULL;
pair = xbt_new0(s_mc_pair_reached_t, 1);
+ pair->nb = xbt_dynar_length(reached_pairs) + 1;
pair->automaton_state = st;
pair->prop_ato = xbt_dynar_new(sizeof(int), NULL);
- pair->system_state = xbt_new0(s_mc_snapshot_t, 1);
- MC_take_snapshot_liveness(pair->system_state, prgm);
+ pair->system_state = xbt_new0(s_mc_snapshot_t, 1);
+ MC_take_snapshot_liveness(pair->system_state);
/* Get values of propositional symbols */
unsigned int cursor = 0;
xbt_propositional_symbol_t ps = NULL;
- xbt_dynar_foreach(a->propositional_symbols, cursor, ps){
- int (*f)() = ps->function;
- int res = (*f)();
+ int res;
+ int_f_void_t f;
+
+ xbt_dynar_foreach(_mc_property_automaton->propositional_symbols, cursor, ps){
+ f = (int_f_void_t)ps->function;
+ res = (*f)();
xbt_dynar_push_as(pair->prop_ato, int, res);
}
-
- xbt_fifo_unshift(reached_pairs, pair);
+
+ xbt_dynar_push(reached_pairs, &pair);
MC_UNSET_RAW_MEM;
-
-
-}
-
-int visited(xbt_automaton_t a, xbt_state_t st, int sc, char *prgm){
-
-
- if(xbt_fifo_size(visited_pairs) == 0){
-
- return 0;
-
- }else{
-
- xbt_dynar_t prop_ato = xbt_dynar_new(sizeof(int), NULL);
- /* Get values of propositional symbols */
- unsigned int cursor = 0;
- xbt_propositional_symbol_t ps = NULL;
- xbt_dynar_foreach(a->propositional_symbols, cursor, ps){
- int (*f)() = ps->function;
- int res = (*f)();
- xbt_dynar_push_as(prop_ato, int, res);
- }
+ create_dump(xbt_dynar_length(reached_pairs));
+ if(raw_mem_set)
MC_SET_RAW_MEM;
- mc_snapshot_t sn = xbt_new0(s_mc_snapshot_t, 1);
- MC_take_snapshot_liveness(sn, prgm);
+ else
MC_UNSET_RAW_MEM;
-
-
- int i=0;
- xbt_fifo_item_t item = xbt_fifo_get_first_item(visited_pairs);
- mc_pair_visited_t pair_test = NULL;
-
- while(i < xbt_fifo_size(visited_pairs)){
-
- pair_test = (mc_pair_visited_t) xbt_fifo_get_item_content(item);
-
- if(pair_test->search_cycle == sc) {
- if(automaton_state_compare(pair_test->automaton_state, st) == 0){
- if(propositional_symbols_compare_value(pair_test->prop_ato, prop_ato) == 0){
- if(snapshot_compare(sn, pair_test->system_state) == 0){
- MC_SET_RAW_MEM;
- MC_free_snapshot(sn);
- MC_UNSET_RAW_MEM;
- return 1;
- }
- }
- }
- }
-
- item = xbt_fifo_get_next_item(item);
-
- i++;
-
- }
-
- MC_SET_RAW_MEM;
- MC_free_snapshot(sn);
- MC_UNSET_RAW_MEM;
- return 0;
- }
-}
-
-void set_pair_visited(xbt_automaton_t a, xbt_state_t st, int sc, char *prgm){
-
-
- MC_SET_RAW_MEM;
-
- mc_pair_visited_t pair = NULL;
- pair = xbt_new0(s_mc_pair_visited_t, 1);
- pair->automaton_state = st;
- pair->prop_ato = xbt_dynar_new(sizeof(int), NULL);
- pair->system_state = xbt_new0(s_mc_snapshot_t, 1);
- MC_take_snapshot_liveness(pair->system_state, prgm);
- pair->search_cycle = sc;
-
- /* Get values of propositional symbols */
- unsigned int cursor = 0;
- xbt_propositional_symbol_t ps = NULL;
- xbt_dynar_foreach(a->propositional_symbols, cursor, ps){
- int (*f)() = ps->function;
- int res = (*f)();
- xbt_dynar_push_as(pair->prop_ato, int, res);
- }
-
- xbt_fifo_unshift(visited_pairs, pair);
-
- MC_UNSET_RAW_MEM;
-
-
}
void MC_pair_delete(mc_pair_t pair){
xbt_free(pair->graph_state->proc_status);
xbt_free(pair->graph_state);
- //xbt_free(pair->automaton_state); -> FIXME : à implémenter
xbt_free(pair);
}
-int MC_automaton_evaluate_label(xbt_automaton_t a, xbt_exp_label_t l){
+int MC_automaton_evaluate_label(xbt_exp_label_t l){
switch(l->type){
case 0 : {
- int left_res = MC_automaton_evaluate_label(a, l->u.or_and.left_exp);
- int right_res = MC_automaton_evaluate_label(a, l->u.or_and.right_exp);
+ int left_res = MC_automaton_evaluate_label(l->u.or_and.left_exp);
+ int right_res = MC_automaton_evaluate_label(l->u.or_and.right_exp);
return (left_res || right_res);
- break;
}
case 1 : {
- int left_res = MC_automaton_evaluate_label(a, l->u.or_and.left_exp);
- int right_res = MC_automaton_evaluate_label(a, l->u.or_and.right_exp);
+ int left_res = MC_automaton_evaluate_label(l->u.or_and.left_exp);
+ int right_res = MC_automaton_evaluate_label(l->u.or_and.right_exp);
return (left_res && right_res);
- break;
}
case 2 : {
- int res = MC_automaton_evaluate_label(a, l->u.exp_not);
+ int res = MC_automaton_evaluate_label(l->u.exp_not);
return (!res);
- break;
}
case 3 : {
unsigned int cursor = 0;
xbt_propositional_symbol_t p = NULL;
- xbt_dynar_foreach(a->propositional_symbols, cursor, p){
+ int_f_void_t f;
+ xbt_dynar_foreach(_mc_property_automaton->propositional_symbols, cursor, p){
if(strcmp(p->pred, l->u.predicat) == 0){
- int (*f)() = p->function;
- return (*f)();
+ f = (int_f_void_t)p->function;
+ return (*f)();
}
}
return -1;
- break;
}
case 4 : {
return 2;
- break;
}
default :
return -1;
}
-
-
-
/********************* Double-DFS stateless *******************/
void MC_pair_stateless_delete(mc_pair_stateless_t pair){
xbt_free(pair->graph_state->proc_status);
xbt_free(pair->graph_state);
- //xbt_free(pair->automaton_state); -> FIXME : à implémenter
xbt_free(pair);
}
return p;
}
-void MC_ddfs_stateless_init(xbt_automaton_t a, char *prgm){
+void MC_ddfs_init(void){
+
+ raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+
+ XBT_INFO("**************************************************");
+ XBT_INFO("Double-DFS init");
+ XBT_INFO("**************************************************");
- XBT_DEBUG("**************************************************");
- XBT_DEBUG("Double-DFS stateless init");
- XBT_DEBUG("**************************************************");
-
mc_pair_stateless_t mc_initial_pair = NULL;
mc_state_t initial_graph_state = NULL;
smx_process_t process;
+
MC_wait_for_requests();
}
}
- reached_pairs = xbt_fifo_new();
- visited_pairs = xbt_fifo_new();
+ reached_pairs = xbt_dynar_new(sizeof(mc_pair_reached_t), NULL);
successors = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL);
/* Save the initial state */
initial_snapshot_liveness = xbt_new0(s_mc_snapshot_t, 1);
- MC_take_snapshot_liveness(initial_snapshot_liveness, prgm);
+ MC_take_snapshot_liveness(initial_snapshot_liveness);
MC_UNSET_RAW_MEM;
unsigned int cursor = 0;
xbt_state_t state;
- xbt_dynar_foreach(a->states, cursor, state){
+ xbt_dynar_foreach(_mc_property_automaton->states, cursor, state){
if(state->type == -1){
MC_SET_RAW_MEM;
mc_initial_pair = new_pair_stateless(initial_graph_state, state, MC_state_interleave_size(initial_graph_state));
- xbt_fifo_unshift(mc_stack_liveness_stateless, mc_initial_pair);
+ xbt_fifo_unshift(mc_stack_liveness, mc_initial_pair);
MC_UNSET_RAW_MEM;
if(cursor != 0){
- MC_restore_snapshot(initial_snapshot_liveness);
- MC_UNSET_RAW_MEM;
+ MC_restore_snapshot(initial_snapshot_liveness);
+ MC_UNSET_RAW_MEM;
}
- MC_ddfs_stateless(a, 0, 0, prgm);
+ MC_ddfs(0);
}else{
if(state->type == 2){
- MC_SET_RAW_MEM;
- mc_initial_pair = new_pair_stateless(initial_graph_state, state, MC_state_interleave_size(initial_graph_state));
- xbt_fifo_unshift(mc_stack_liveness_stateless, mc_initial_pair);
- MC_UNSET_RAW_MEM;
-
- set_pair_reached(a, state, prgm);
-
- if(cursor != 0){
- MC_restore_snapshot(initial_snapshot_liveness);
- MC_UNSET_RAW_MEM;
- }
-
- MC_ddfs_stateless(a, 1, 0, prgm);
-
+ MC_SET_RAW_MEM;
+ mc_initial_pair = new_pair_stateless(initial_graph_state, state, MC_state_interleave_size(initial_graph_state));
+ xbt_fifo_unshift(mc_stack_liveness, mc_initial_pair);
+ MC_UNSET_RAW_MEM;
+
+ set_pair_reached(state);
+
+ if(cursor != 0){
+ MC_restore_snapshot(initial_snapshot_liveness);
+ MC_UNSET_RAW_MEM;
+ }
+
+ MC_ddfs(1);
+
}
}
- }
+ }
+
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+ else
+ MC_UNSET_RAW_MEM;
+
}
-void MC_ddfs_stateless(xbt_automaton_t a, int search_cycle, int replay, char *prgm){
+void MC_ddfs(int search_cycle){
+
+ raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
smx_process_t process;
mc_pair_stateless_t current_pair = NULL;
- //mc_snapshot_t current_snapshot = NULL;
-
- if(xbt_fifo_size(mc_stack_liveness_stateless) == 0)
+ if(xbt_fifo_size(mc_stack_liveness) == 0)
return;
- if(replay == 1){
- MC_replay_liveness(mc_stack_liveness_stateless, 0);
- current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateless));
- xbt_swag_foreach(process, simix_global->process_list){
- if(MC_process_is_enabled(process)){
- MC_state_interleave_process(current_pair->graph_state, process);
- }
- }
- }
/* Get current pair */
- current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateless));
+ current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness));
/* Update current state in buchi automaton */
- a->current_state = current_pair->automaton_state;
+ _mc_property_automaton->current_state = current_pair->automaton_state;
- XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateless), search_cycle);
- XBT_DEBUG("Pair : graph=%p, automaton=%p(%s), %u interleave", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id, MC_state_interleave_size(current_pair->graph_state));
+ XBT_INFO("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness), search_cycle);
mc_stats_pair->visited_pairs++;
int value;
mc_state_t next_graph_state = NULL;
- smx_req_t req = NULL;
+ smx_simcall_t req = NULL;
char *req_str;
xbt_transition_t transition_succ;
mc_pair_stateless_t next_pair = NULL;
mc_pair_stateless_t pair_succ;
-
- if(xbt_fifo_size(mc_stack_liveness_stateless) < MAX_DEPTH_LIVENESS){
-
- set_pair_visited(a, current_pair->automaton_state, search_cycle, prgm);
+
+ if(xbt_fifo_size(mc_stack_liveness) < MAX_DEPTH_LIVENESS){
if(current_pair->requests > 0){
while((req = MC_state_get_request(current_pair->graph_state, &value)) != NULL){
- /* Debug information */
- if(XBT_LOG_ISENABLED(mc_liveness, xbt_log_priority_debug)){
- req_str = MC_request_to_string(req, value);
- XBT_DEBUG("Execute: %s", req_str);
- xbt_free(req_str);
- }
-
- MC_state_set_executed_request(current_pair->graph_state, req, value);
-
- /* Answer the request */
- SIMIX_request_pre(req, value);
+ /* Debug information */
+
+ req_str = MC_request_to_string(req, value);
+ XBT_INFO("Execute: %s", req_str);
+ xbt_free(req_str);
- /* Wait for requests (schedules processes) */
- MC_wait_for_requests();
+ MC_state_set_executed_request(current_pair->graph_state, req, value);
+ /* Answer the request */
+ SIMIX_simcall_pre(req, value);
- MC_SET_RAW_MEM;
+ /* Wait for requests (schedules processes) */
+ MC_wait_for_requests();
- /* Create the new expanded graph_state */
- next_graph_state = MC_state_pair_new();
+ MC_SET_RAW_MEM;
- /* Get enabled process and insert it in the interleave set of the next graph_state */
- xbt_swag_foreach(process, simix_global->process_list){
- if(MC_process_is_enabled(process)){
- MC_state_interleave_process(next_graph_state, process);
- }
- }
+ /* Create the new expanded graph_state */
+ next_graph_state = MC_state_pair_new();
- xbt_dynar_reset(successors);
+ /* Get enabled process and insert it in the interleave set of the next graph_state */
+ xbt_swag_foreach(process, simix_global->process_list){
+ if(MC_process_is_enabled(process)){
+ MC_state_interleave_process(next_graph_state, process);
+ }
+ }
- MC_UNSET_RAW_MEM;
+ xbt_dynar_reset(successors);
+ MC_UNSET_RAW_MEM;
- cursor= 0;
- xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
- res = MC_automaton_evaluate_label(a, transition_succ->label);
+ cursor= 0;
+ xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
- if(res == 1){ // enabled transition in automaton
- MC_SET_RAW_MEM;
- next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
- xbt_dynar_push(successors, &next_pair);
- MC_UNSET_RAW_MEM;
- }
+ res = MC_automaton_evaluate_label(transition_succ->label);
- }
+ if(res == 1){ // enabled transition in automaton
+ MC_SET_RAW_MEM;
+ next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
+ xbt_dynar_push(successors, &next_pair);
+ MC_UNSET_RAW_MEM;
+ }
- cursor = 0;
+ }
+
+ cursor = 0;
- xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
+ xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
- res = MC_automaton_evaluate_label(a, transition_succ->label);
-
- if(res == 2){ // true transition in automaton
- MC_SET_RAW_MEM;
- next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
- xbt_dynar_push(successors, &next_pair);
- MC_UNSET_RAW_MEM;
- }
+ res = MC_automaton_evaluate_label(transition_succ->label);
+
+ if(res == 2){ // true transition in automaton
+ MC_SET_RAW_MEM;
+ next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
+ xbt_dynar_push(successors, &next_pair);
+ MC_UNSET_RAW_MEM;
+ }
- }
+ }
- cursor = 0;
-
- xbt_dynar_foreach(successors, cursor, pair_succ){
+ cursor = 0;
+
+ xbt_dynar_foreach(successors, cursor, pair_succ){
- if(!visited(a, pair_succ->automaton_state, search_cycle, prgm)){
+ if(search_cycle == 1){
- if(search_cycle == 1){
+ if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
+
+ if(reached(pair_succ->automaton_state)){
+
+ XBT_INFO("Next pair (depth = %d, %u interleave) already reached !", xbt_fifo_size(mc_stack_liveness) + 1, MC_state_interleave_size(pair_succ->graph_state));
- if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
-
- if(reached(a, pair_succ->automaton_state, prgm) == 1){
+ XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
+ XBT_INFO("| ACCEPTANCE CYCLE |");
+ XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
+ XBT_INFO("Counter-example that violates formula :");
+ MC_show_stack_liveness(mc_stack_liveness);
+ MC_dump_stack_liveness(mc_stack_liveness);
+ MC_print_statistics_pairs(mc_stats_pair);
+ exit(0);
- XBT_DEBUG("Next pair (depth = %d, %d interleave) already reached !", xbt_fifo_size(mc_stack_liveness_stateless) + 1, MC_state_interleave_size(pair_succ->graph_state));
+ }else{
- XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
- XBT_INFO("| ACCEPTANCE CYCLE |");
- XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
- XBT_INFO("Counter-example that violates formula :");
- MC_show_stack_liveness_stateless(mc_stack_liveness_stateless);
- MC_dump_stack_liveness_stateless(mc_stack_liveness_stateless);
- MC_print_statistics_pairs(mc_stats_pair);
- exit(0);
+ XBT_INFO("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
- }else{
+ XBT_INFO("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
- XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness_stateless) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
-
- set_pair_reached(a, pair_succ->automaton_state, prgm);
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
+ MC_UNSET_RAW_MEM;
+
+ MC_ddfs(search_cycle);
- }
+ }
- }
+ }else{
- }else{
-
- if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2))){
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
+ MC_UNSET_RAW_MEM;
+
+ MC_ddfs(search_cycle);
+
+ }
- XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness_stateless) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
-
- set_pair_reached(a, pair_succ->automaton_state, prgm);
-
- search_cycle = 1;
+ }else{
+
+ if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2))){
- }
+ XBT_INFO("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
+
+ set_pair_reached(pair_succ->automaton_state);
- }
+ search_cycle = 1;
- MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
- MC_UNSET_RAW_MEM;
+ XBT_INFO("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
- MC_ddfs_stateless(a, search_cycle, 0, prgm);
+ }
- /* Restore system before checking others successors */
- if(cursor != (xbt_dynar_length(successors) - 1))
- MC_replay_liveness(mc_stack_liveness_stateless, 1);
-
- }else{
-
- XBT_DEBUG("Next pair already visited");
-
- }
- }
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
+ MC_UNSET_RAW_MEM;
+
+ MC_ddfs(search_cycle);
+
+ }
- if(MC_state_interleave_size(current_pair->graph_state) > 0){
- XBT_DEBUG("Backtracking to depth %u", xbt_fifo_size(mc_stack_liveness_stateless));
- MC_replay_liveness(mc_stack_liveness_stateless, 0);
- }
+
+ /* Restore system before checking others successors */
+ if(cursor != (xbt_dynar_length(successors) - 1))
+ MC_replay_liveness(mc_stack_liveness, 1);
+
+
+ }
+
+ if(MC_state_interleave_size(current_pair->graph_state) > 0){
+ XBT_INFO("Backtracking to depth %d", xbt_fifo_size(mc_stack_liveness));
+ MC_replay_liveness(mc_stack_liveness, 0);
+ }
}
cursor= 0;
xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
- res = MC_automaton_evaluate_label(a, transition_succ->label);
+ res = MC_automaton_evaluate_label(transition_succ->label);
- if(res == 1){ // enabled transition in automaton
- MC_SET_RAW_MEM;
- next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
- xbt_dynar_push(successors, &next_pair);
- MC_UNSET_RAW_MEM;
- }
+ if(res == 1){ // enabled transition in automaton
+ MC_SET_RAW_MEM;
+ next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
+ xbt_dynar_push(successors, &next_pair);
+ MC_UNSET_RAW_MEM;
+ }
}
xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
- res = MC_automaton_evaluate_label(a, transition_succ->label);
-
- if(res == 2){ // true transition in automaton
- MC_SET_RAW_MEM;
- next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
- xbt_dynar_push(successors, &next_pair);
- MC_UNSET_RAW_MEM;
- }
+ res = MC_automaton_evaluate_label(transition_succ->label);
+
+ if(res == 2){ // true transition in automaton
+ MC_SET_RAW_MEM;
+ next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
+ xbt_dynar_push(successors, &next_pair);
+ MC_UNSET_RAW_MEM;
+ }
}
xbt_dynar_foreach(successors, cursor, pair_succ){
- if(!visited(a, pair_succ->automaton_state, search_cycle, prgm)){
-
- if(search_cycle == 1){
-
- if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
-
- if(reached(a, pair_succ->automaton_state, prgm) == 1){
-
- XBT_DEBUG("Next pair (depth = %d) already reached !", xbt_fifo_size(mc_stack_liveness_stateless) + 1);
-
- XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
- XBT_INFO("| ACCEPTANCE CYCLE |");
- XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
- XBT_INFO("Counter-example that violates formula :");
- MC_show_stack_liveness_stateless(mc_stack_liveness_stateless);
- MC_dump_stack_liveness_stateless(mc_stack_liveness_stateless);
- MC_print_statistics_pairs(mc_stats_pair);
- exit(0);
-
- }else{
-
- XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness_stateless) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
-
- set_pair_reached(a, pair_succ->automaton_state, prgm);
-
- }
-
- }
-
- }else{
-
- if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)) && (xbt_fifo_size(mc_stack_liveness_stateless) < (MAX_DEPTH_LIVENESS - 1))){
+ if(search_cycle == 1){
+
+ if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
+
+ if(reached(pair_succ->automaton_state)){
+
+ XBT_INFO("Next pair (depth = %d) already reached !", xbt_fifo_size(mc_stack_liveness) + 1);
+
+ XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
+ XBT_INFO("| ACCEPTANCE CYCLE |");
+ XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
+ XBT_INFO("Counter-example that violates formula :");
+ MC_show_stack_liveness(mc_stack_liveness);
+ MC_dump_stack_liveness(mc_stack_liveness);
+ MC_print_statistics_pairs(mc_stats_pair);
+ exit(0);
+
+ }else{
+
+ XBT_INFO("Next pair (depth = %d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
+
+ XBT_INFO("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
+
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
+ MC_UNSET_RAW_MEM;
+
+ MC_ddfs(search_cycle);
+
+ }
+
+ }else{
+
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
+ MC_UNSET_RAW_MEM;
+
+ MC_ddfs(search_cycle);
+
+ }
+
- set_pair_reached(a, pair_succ->automaton_state, prgm);
-
- search_cycle = 1;
+ }else{
+
+ if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2))){
- }
+ set_pair_reached(pair_succ->automaton_state);
+
+ search_cycle = 1;
- }
+ XBT_INFO("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
- MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
- MC_UNSET_RAW_MEM;
+ }
- MC_ddfs_stateless(a, search_cycle, 0, prgm);
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
+ MC_UNSET_RAW_MEM;
+
+ MC_ddfs(search_cycle);
+
+ }
- /* Restore system before checking others successors */
- if(cursor != xbt_dynar_length(successors) - 1)
- MC_replay_liveness(mc_stack_liveness_stateless, 1);
+ /* Restore system before checking others successors */
+ if(cursor != xbt_dynar_length(successors) - 1)
+ MC_replay_liveness(mc_stack_liveness, 1);
- }else{
-
- XBT_DEBUG("Next pair already visited");
-
- }
-
+
}
-
+
}
-
+
}else{
- XBT_DEBUG("Max depth reached");
+ XBT_INFO("Max depth reached");
}
- if(xbt_fifo_size(mc_stack_liveness_stateless) == MAX_DEPTH_LIVENESS ){
- XBT_DEBUG("Pair (graph=%p, automaton =%p, search_cycle = %u, depth = %d) shifted in stack, maximum depth reached", current_pair->graph_state, current_pair->automaton_state, search_cycle, xbt_fifo_size(mc_stack_liveness_stateless) );
+ if(xbt_fifo_size(mc_stack_liveness) == MAX_DEPTH_LIVENESS ){
+ XBT_INFO("Pair (graph=%p, automaton =%p, search_cycle = %d, depth = %d) shifted in stack, maximum depth reached", current_pair->graph_state, current_pair->automaton_state, search_cycle, xbt_fifo_size(mc_stack_liveness) );
}else{
- XBT_DEBUG("Pair (graph=%p, automaton =%p, search_cycle = %u, depth = %d) shifted in stack", current_pair->graph_state, current_pair->automaton_state, search_cycle, xbt_fifo_size(mc_stack_liveness_stateless) );
+ XBT_INFO("Pair (graph=%p, automaton =%p, search_cycle = %d, depth = %d) shifted in stack", current_pair->graph_state, current_pair->automaton_state, search_cycle, xbt_fifo_size(mc_stack_liveness) );
}
MC_SET_RAW_MEM;
- xbt_fifo_shift(mc_stack_liveness_stateless);
+ xbt_fifo_shift(mc_stack_liveness);
if((current_pair->automaton_state->type == 1) || (current_pair->automaton_state->type == 2)){
- xbt_fifo_shift(reached_pairs);
+ xbt_dynar_pop(reached_pairs, NULL);
}
MC_UNSET_RAW_MEM;
-
-}
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+ else
+ MC_UNSET_RAW_MEM;
+}
